While North Carolina easily routed Duke 88-72 in Wednesday night's game, it wasn't the score that had most people talking. Just 33 seconds into the game, Duke freshman sensation Zion Williamson suffered a knee injury. Williamson's foot blew through the sole of the Nike PG 2.5 shoes he was wearing on the court. The shoe is the signature shoe of Oklahoma City Thunder star Paul George. It retails for $110.Williamson, the ACC's second-leading scorer at 22.4 points per game and arguably the most exciting player in college basketball, ended up on the floor near the free throw line and then walked off with a slight limp, but under his own power, before heading back to the locker room with no shoes on his feet.As he left the court, former President Barack Obama, who was sitting near the Duke bench, shouted supporting words to Williamson. "We are obviously concerned and want to wish Zion a speedy recovery. The quality and performance of our products are of utmost importance. While this is an isolated occurrence, we are working to identify the issue," Nike officials said in a statement, The Action Network sports reporter Darren Rovell tweeted.In the first 10 minutes of the trading day Thursday, Nike's stock was down about 1 percent.The Associated Press contributed to this report.

DURHAM, N.C. —

While North Carolina easily routed Duke 88-72 in Wednesday night's game, it wasn't the score that had most people talking.

Just 33 seconds into the game, Duke freshman sensation Zion Williamson suffered a knee injury. Williamson's foot blew through the sole of the Nike PG 2.5 shoes he was wearing on the court.

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The shoe is the signature shoe of Oklahoma City Thunder star Paul George. It retails for $110.

Williamson, the ACC's second-leading scorer at 22.4 points per game and arguably the most exciting player in college basketball, ended up on the floor near the free throw line and then walked off with a slight limp, but under his own power, before heading back to the locker room with no shoes on his feet.

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Zion Williamson of the Duke Blue Devils reacts after falling as his shoe breaks against Luke Maye #32 of the North Carolina Tar Heels during their game at Cameron Indoor Stadium on February 20, 2019 in Durham, North Carolina.

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Zion Williamson of the Duke Blue Devils picks up his broken shoe in the first half against the North Carolina Tar Heels at Cameron Indoor Stadium on February 20, 2019 in Durham, North Carolina.

As he left the court, former President Barack Obama, who was sitting near the Duke bench, shouted supporting words to Williamson.

"We are obviously concerned and want to wish Zion a speedy recovery. The quality and performance of our products are of utmost importance. While this is an isolated occurrence, we are working to identify the issue," Nike officials said in a statement, The Action Network sports reporter Darren Rovell tweeted.

NIKE STATEMENT: “We are obviously concerned and want to wish Zion a speedy recovery. The quality and performance of our products are of utmost importance. While this is an isolated occurrence, we are working to identify the issue.”